Home / 20,230.96-30,335.44-10,882.12

Finding the Fourth Proportional to 20,230.96, 30,335.44 and 10,882.12

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Solution

The fourth proportional to 20,230.96, 30,335.44 and 10,882.12 is: 16,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.96 : 30,335.44 = 10,882.12 : x
  2. Step 2: Convert to fraction form
    20,230.96/30,335.44 = 10,882.12/x
  3. Step 3: Cross multiply
    20,230.96x = 30,335.44 × 10,882.12
  4. Step 4: Simplify right side
    20,230.96x = 330,113,898.33
  5. Step 5: Solve for x
    x = 330,113,898.33/20,230.96
  6. Step 6: Final answer
    x = 16,317.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.